[英]Writing the output to a text file
我想將以下輸出寫入文本文件。 我知道這很容易,但我想我在這里忘記了一些基礎知識。
我嘗試使用“ BufferedWriter”,但找不到變量輸出傳遞給編寫器。 有人可以幫忙嗎?
import org.jsoup.Jsoup;
import org.jsoup.helper.Validate;
import org.jsoup.nodes.Document;
import org.jsoup.nodes.Element;
import org.jsoup.select.Elements;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileWriter;
import java.io.IOException;
import java.io.Writer;
import java.util.regex.Pattern;
/**
* Example program to list links from a URL.
*/
public class SimpleWebCrawler {
public static void main(String[] args) throws IOException {
Validate.isTrue(args.length == 0, "usage: supply url to fetch");
String url = "http://www.placeofjo.blogspot.com/";
print("Fetching %s...", url);
Document doc = Jsoup.connect(url).get();
Elements links = doc.select("a[href]");
System.out.println("\n");
for (Element link : links) {
print(" %s ", link.attr("abs:href"), trim(link.text(), 35));
}
}
private static void print(String msg, Object... args) {
System.out.println(String.format(msg, args));
}
private static String trim(String s, int width) {
if (s.length() > width)
return s.substring(0, width-1) + ".";
else
return s;
}
}
修改您的代碼,如下所示:
BufferedWriter bw = new BufferedWriter(new FileWriter(new File("/path/to/file/name.txt")));
for (Element link : links) {
bw.write("Link: " link.text().trim());
bw.write(System.getProperty("line.separator"));
}
bw.flush();
bw.close();
您需要的一切都在這里: http : //www.exampledepot.com/egs/java.io/WriteToFile.html
try {
BufferedWriter out = new BufferedWriter(new FileWriter("outfilename"));
out.write("aString");
out.close();
} catch (IOException e) {
}
檢出java.io.FileWriter
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